Home / 11,620.13-16,038.11-6,903.50

Finding the Fourth Proportional to 11,620.13, 16,038.11 and 6,903.50

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Solution

The fourth proportional to 11,620.13, 16,038.11 and 6,903.50 is: 9,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.13 : 16,038.11 = 6,903.50 : x
  2. Step 2: Convert to fraction form
    11,620.13/16,038.11 = 6,903.50/x
  3. Step 3: Cross multiply
    11,620.13x = 16,038.11 × 6,903.50
  4. Step 4: Simplify right side
    11,620.13x = 110,719,092.39
  5. Step 5: Solve for x
    x = 110,719,092.39/11,620.13
  6. Step 6: Final answer
    x = 9,528.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.